Panasonic DMR-EZ47VP, Руководство по обслуживанию

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12.9.
VHS
Audio
Section
(Main
P.C.B.(2/4
))
Schemati
c
Diagram
(A)
510
R4522
4700
R4508
39K R4538
1K R4525
0.047[B]
C4522
IIC_DATA
IIC_CLK
FSC
FM_MUTE_H
TL4501
C4517
6.3V 22P
R4540 1K
TL4502
R4539 1K
C4516 16V 10P
C4515 6.3V 33P
C4513 6.3V 22P
C4514 16V 10P
TW4502
VWJ0795=5
A_H_SW
ABS_NORM_L
D4501
DREC_H
R4529
680
R4500
1K
TL4507
C4511
0.1[KB]
L4502
390u
C4535 0.015[B]
C4512
0.22[KB]
120K
R4534 C4537
56P[GC][22]
4700
R4520
R4521
510
A_GND
K4504
VWJ0795=5
FM_GND
0.047[B]
C4501
C4508
0.033[KB]
C4506
16V 10P
C4507
6.3V 22P
C4534
0.015[B]
K4502
VWJ0795=10
L2_IN_R
C4532
1
TUN_L
TUN_R
L1_IN_R
C4531
1
R4524 75K
R4509 47K
R4519 75K
C4503 16V 10P
R4523 10K
R4511 47K
R4512 6200
C4504 16V 10P
R4510 6200
L1_IN_L
L2_IN_L
R4516 6200
R4518 6200
R4517 47K
R4528 10K
R4514 47K
C4505 6.3V 33P
16V 10P
C4530
DVD_OUT_L
R4515 56K
C4502 16V 10P
C4523 16V 22P
K4509
VWJ0795=10
AL
A_COM
AR
K4506
0.01
C4518
TW4501
VWJ0795=5
K4507
VWJ0795=7.5
C4510
0.01
23
58
45
44
47
48
46
30 31 32
43
40
41
35
37
36
33
34
39
38
42
28 25 26 24 27 29
55 56 50 51 49 53 54 52 57 62 63 61
19 18 20
3
2
5
4
6
8
7
1
64
15
16
9
13
10
12
11
14
17 22 21
59 60
AN3656NFBPBV
IC4501
C4509
0.01
R4503
1K
QR4504
UNR521600L
D4502
MAZ4056NHF
X_SW_5R8V_IP
VHS_L VHS_R
QR4503
UNR521600L
IN_NORMAL
UNR511300L
QR4502
C4519
0.1
C4520
6.3V 22P
B1AAGD000016
Q4502
X_SW12R3V
REG12V
VTR_P_ON_H
A_5V
REF_GND
100u
L4503
0.01
C4538
C4525 16V 100P
Q4501
2SB0710A0L
TL1002
820[D]
R4504
K4513
VWJ0795=5
L4501
1R2u
K4702
VWJ0795=20
R4513
4700
QR4501
UNR521100L
R4507
4700
R4506
1K
C4527
16V 10P
C4528
16V 10P
6800
R4527
OUT_NORMAL
R4526
24K
C4521
16V 10P
C4529
16V 10P
DVD_OUT_R
R4505 6800
R4501 56K
R4502 6800
C4524
0.1[KB]
C4526
16V 10P
S
FM MIX
V V
I
V
ENVE
S S S V V
I
I
I
(TV)
(EXT4)
S V S
I
I V V
I
V I V I
(EXT4)
S
V
S
I
I
I
I
I
(TV)
L
SW22
MIX
MUTE
SW19
R
SW21
AGC/
SW20
SW18
MIX HIFI PNR Rch
R
HIFI
L L
R MUTE
NORMAL
L
SW16
MIX
NORMAL
SW17
VCC(5V)
LOGIC
GND
DATA
CLK
REG
L
REC
DET
VCC(12V)
R
NC
AMP
DC OUT R MAIN OUT MTS VCC(5V) SUB LEVDET GND
AMP
LED PORT L
SIF IN
VCO-f0
adj LOGIN
MAIN REF
DEM REF
DEC(L)SW DEC(R)SW
ZZ-PROM
AGC/
PNR Lch
SW2
NA0
R
Lch
AG C
REC LPF
PB
NR DET2
SW12
MIX
MUTE CT
Rch VCO
NR DET1
REC LPF
F
M
L
M
T
GND
RECADJ
PBLPF
PBLPF
HPF
HOLD T SW14 SW13
LINER SW
NOISE EDIT
NR REF
SW15
HA1
L H
GND
SW11
OUT
AH SW
ENV
CCA 0
HIF/NOR
PB FM IN
VCC
AMP H
E
A
D
HA2
AMP
DET
REC
SW4 SW9
PC H/S PC
Lch BPF SW NOISE Rch BPF
AUDIO LIMTER
AUDIO LIMTER
SW NOISE
E3
BS IN[L]
-29dBV
BS IN[R]
E3
INPUT SW(R)
COMP
NAI
SUB REF
E1
E2
CUEDET
REF1
VREF1
INPUT SW(L)
E4
SW1
E2
NR DET1
GND
REF1
E1
E4
CCAOUT
NR DET2
NR REF
VCO
S/H
8
9
10
7
6
E F G
D C
5
4
3
2
1
B A
DMR-EZ47VP/EZ475VP VHS Audio Section (Main P.C.B.(2/4)) Schematic Diagram(A)
N
O
T
E
:D
O
N
O
T
U
S
E
T
H
E
P
A
R
T
N
U
M
B
E
R
S
H
O
W
N
O
N
T
H
IS
D
R
A
W
IN
G
F
O
R
O
R
D
E
R
R
IN
G
.
THE CORRECT PART NUMBER IS SHOWN IN THE PARTS LIST,AND MAY BE SLIGHTLYDIFFERNT OR AMENDED SINCE THIS DRAWING WAS PREPARED.
V
:Video Section:(P
age:
)
D
A:VHS A
udio Section:(P
age:
)
E
S:Syscon/Ser
vo/Timer Section:(P
age:
)
I:I/O Section:(P
age:
)
F
G
E
DMR-
EZ47VP
/
DMR-
EZ475V
P
71